New water damage will typically have a darker, more vibrant color, while old water damage will have a lighter, faded color.
*New water damage may cause the ceiling to feel soft or spongy, while old damage will make the ceiling feel hard and brittle.
*Mold growth is a clear sign of old water damage. Mold can begin to grow within 24-48 hours after a water leak occurs.
*A musty odor is often associated with new water damage. This odor is caused by the growth of bacteria and mold.
Determining the age of ceiling water damage is essential for determining the best course of action. If the damage is new, it's important to stop the leak and dry out the ceiling to prevent further damage. If the damage is old, it may not be necessary to repair the ceiling immediately, but it's important to monitor the situation and make repairs if the damage worsens.